Manufactured with a focus on quality, these solutions are NIST-traceable and should be used regularly for calibration purposes. Conductivity standards are manufactured under ISO 9001 quality standards and induction sealed caps ensure product integrity.

EnviroKleen™ certified thermometers feature black, non-toxic, biodegradable, Enviro-Safe® liquid. Black liquid against lead-free, yellow back glass for easy readability and fewer reading errors Ideal for use in chemical/petrochemical laboratories, universities, scientific…

Measures in °C or °F External temperature sensor works underwater NIST Traceable® certificate included Jumbo 1 1/8” display Self-contained, stable and accurate unit requires no adjustments or maintenance. The minimum and maximum memories may be shown or cleared at any time with the touch…

Internal sensor Measures in both Fahrenheit and Celsius Unique unit simultaneously displays time of day, temperature, and humidity. Individually serial-numbered Traceable® Certificates in the areas of time, temperature and humidity are provided from our ISO 17025 calibration…

Temperature range is -58° to 500°F and -50° to 260°C Resolution is 0.1° Accuracy is ±°1C Minimum/maximum memory/alarm/hold Size is 2” x 4” x 1/2” with probe measuring 0.14” in diameter x 7 3/4” with a 3 foot cable. Weight…

Traceable® Platinum Ultra-Accurate Digital Thermometer -200° to 500°C, 0.0001° resolution Features: Platinum sensor insures linear response and high accuracy across the entire range Meter range -200.00° to 500.000°C  ( -328.00 ° to 93…

Min and max temperature memory Hi and low temperature alarm May be used for liquids, air/gas, semi-solids, water baths and refrigerators Specifications: Range is from –58.0 to 158.0°F and –50.0 to 70.0°C · Resolution is to 1° · Accuracy is…

Available in clear or color-coded buffers Traceable to NIST standards and available in a variety of packaging selections. Provides a tolerance of ±0.02 pH at 25°C and the bottle label provides temperature correction data from 0° to 50°C. All Thomas buffers offer…

Flexible, smooth-walled vacuum tubing High-quality gum rubber Cartons contain 48 to 50 feet (14.6 to 15.2 m) of vacuum tubing. Listings indicate i.d. x o.d. x wall thickness in inches. Vacuum tubing is 10 ft per pack and 50 ft per carton.

NEW & Improved! The Thomas Model 4 Wiley® Mill is ideal for the sample preparation of solid biofuels according to EN 14780. Official Methods of Analysis AOAC 922 Moving parts are totally enclosed 7 3/4” diameter milling chamber - 141 cu. in. 2 1/4” diameter…

Consists of piston-type Teflon® pestle with stainless steel shaft and replaceable grinding vessel of borosilicate glass Eliminates ground glass from homogenate; Teflon minimizes heat generated in use Completely autoclavable Precisely controlled grinding clearance Pestles and vessels…

NEW and improved! The Thomas Wiley® Mini-Mill is our smallest cutting mill - but still Wiley® tough The Wiley® Mini Mill is an all steel Benchtop Cutting Mill featuring a 1.575" diameter sealed cutting chamber with two adjustable stationary blades and a rotating cutting head…

Generic Sterile Petri Dishes are available in stackable and slippable forms Optically clear Vented lids for air circulation Radiation sterilized These Stackable Petri Dishes are ideal for general laboratory use while Slippable Petri Dishes are designed for automated…

Accurately measures temperature in freezers, refrigerators, incubators, water baths and heating blocks Enclosed “temperature buffered” sensor Range: -50 to 70°C (-58 to 158°F) Resolution: 1°C; accuracy: ±1°C Glycol bottle insulates sensor from…

Four Traceable® International Standards Digital thermometers provide the exact readings required for critical requirements, quality control checks and routine measurements. Units read 0.00, 25.00, 37.00, or a combination of all three with a resolution of 0.01° and an accuracy…

Sixteen ounces of liquid for frequent calibration needs Highest accuracy available Units labeled (micromhos/millisiemens, ohms, parts per million/TDS) Includes step-by-step calibration instructions and temperature chart 100% compatible with all makes of equipment …

Perfect jumbo digit thermometer for monitoring freezers, water baths, heating blocks, incubators, and refrigerators. Accurately monitor temperatures with this enclosed temperature-buffered sensor. Bottle insulates sensor from rapid temperature changes when refrigerator door is opened. Thermometer…

Ideal for indoor/outdoor use Minimum/maximum memory Temperature range is -58° to 572°F and -50° to 300°C Traceable® Lollipop thermometers are suitable for use indoors or outdoors, in wet labs and virtually all field applications. Temperature resolution is 0.1°…

Traceable ® Memory-Card Humidity/Temperature/Dew Point Memory card captures readings from once a minute to once every 12 hours for recording continuously for years Traceable® Memory-Card Humidity/Temperature/Dew Point is a stand-alone unit with data logging capabilities. It records…

Accurately monitor two different areas in refrigerators, freezers, water baths, and incubators with this enclosed temperature-buffered sensor. Bottle insulates sensor from rapid temperature changes when refrigerator door is opened. Triple display simultaneously shows Minimum, Maximum, and Current…

Square, 10 mm Light Path Cells Outside dimensions approximately 12.5 x 12.5 x 46 mm high Light path: 10 mm, ±0.01mm Teflon® cover included Matched sets are supplied in cushioned storage box Cell bodies are of fused-wall construction Cells are usable in spectral…

Microprocessor control LED temperature display Cool Touch, chemical-resistant housing Hot Top indicator Thomas hot plate stirrers deliver superior performance and repeatable results. Low-profile, spill-resistant housing channels fluids away from internal components.…

Digital Barometer is the perfect unit for plants, labs, and all other environments where there is a need to monitor conditions of environmental air parameters. A four-line LCD continuously and simultaneously shows barometric pressure, temperature, relative humidity, barometric pressure trend and…

Revolving Knife Sets For replacement of rotor knives on Wiley® Model 4 Mills; suitable also for former models 1, 2 and 3 mills Sold in matched sets of four to ensure uniform distance of cutting edges from center of rotor 3375F15 knives, for corrosive conditions, are type…

FRIO-Temp® verification thermometers for sample temperature measurement within Blood Banks, Freezers, Refrigerators, Incubators or Ovens without introducing contamination. These thermometers are: Filled with environmentally safe non-toxic, non-hazardous, biodegradable Enviro-Safe…

Chemical resistant probe Safer than mercury thermometers Large, bright LCD Switchable thermometers fit into cuvettes, test tubes, flasks and beakers. Stainless steel probe is resistant to most laboratory chemicals. Readings are updated every second. Operate continuously for over a year on a…

Our ergonomic vinyl upholstered chairs adjust to fit most body types and workstations. Optional 6-way adjustable arm rests support a variety of arm placements for proper ergonomics. Additional ergonomic benefits include a contoured waterfall seat cushion and an adjustable back rest with lumbar…

For lubricating ground glass joints, glass and metal stopcocks and valves, and for sealing desiccators, anaerobic culture jars and similar utensils Its mobility in film-like quantities makes it excellent not only for lubricating, but for preventing the freezing of stopcocks, ground joints,…

Displays cumulative Alarm Duration from user selected Minimum/Maximum values Re-usable/Re-programmable Perfect for monitoring material during transportation Integrates with MaxiThermal Software for complete data analysis Features: Duration of Temperature excursion User…

Compact, variable-flow, bi-directional pump offers adjustable flow delivery Ideal for use with conductivity flow-thru cells, liquid chromatography, collecting fractions, pH/circulating fluids or buffers in baths, and moving corrosive materials Four different tubing sizes ( 1/16",…

These plain form hydrometers are available in a variety of models measuring specific gravity / relative density (g/cm 3 ) of liquids lighter and heavier than water in various ranges from 0.690 to 2.000. Commonly used in industries such as food and beverage, chemical, pharmacology,…

Consists of piston-type Teflon® pestle with stainless steel shaft and replaceable grinding vessel of borosilicate glass Eliminates ground glass from homogenate; Teflon minimizes heat generated in use Completely autoclavable Precisely controlled grinding clearance Pestles and vessels…